1986 cutlass supreme brougham stalling...

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WilliEGooN

Not-quite-so-new-guy
Apr 8, 2012
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1986 cutlass supreme brougham v8 5.0
stock 307 started acting up yesterday I turned on the
car & it started shaking & sounded like a
diesel car coming out the muffler almost
stalling it sounds like it might be a vacuum
prob but not sure its never done this also
rpm gage was going up & down fast could it be a pcv or breather valve prob. ?
 
WilliEGooN said:
stock I don't know if its a 305 - 307

Shame on you, it's your duty to know what engine you have! The 305 is a Chevy. The 307 is an Olds. Totally different. Very easy to tell apart. Does it have a long oil fill tube sticking up from the front/top of the engine block on the passenger side? If so it's an Olds. If it's got the distributor going through the intake manifold and smokes during startup, it's a Chevy.

As for your problem, yes it could be a big vacuum leak but it's really hard to say. Need more info.
 
True Dat Double V.
 
Are all your plug wires still connected at the engine?
 
:wtf: ummm ok Thanks ?
 
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